:root{color-scheme:light dark;--bg:#fbfaf7;--fg:#1a1a1a;--muted:#5b5b57;--line:#d9d6cf;--accent:#0b5cad;--on-accent:#ffffff;--measured:#1f4e79;--modelled:#7a4b00}@media (prefers-color-scheme:dark){:root{--bg:#131313;--fg:#f1efe9;--muted:#b3b0a8;--line:#3a3934;--accent:#7fb3ff;--on-accent:#131313;--measured:#9dc3ec;--modelled:#ffc466}}*{box-sizing:border-box}body,html{margin:0;background:var(--bg);color:var(--fg);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px}.shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.nav{border-right:1px solid var(--line);padding:1.25rem;display:flex;flex-direction:column;gap:.5rem}.nav a{text-decoration:none;padding:.4rem .6rem;border-radius:6px;color:var(--fg)}.nav a[aria-current=page]{background:var(--line);font-weight:600}.main{padding:2rem;max-width:60rem}.muted{color:var(--muted)}.card{border:1px solid var(--line);border-radius:10px;padding:1.25rem;margin:1rem 0}button.link{background:none;padding:.4rem .6rem;color:var(--fg);text-align:left}button.link,button.primary{border:0;cursor:pointer;font:inherit}button.primary{background:var(--accent);color:var(--on-accent);border-radius:8px;padding:.6rem 1rem}@media (max-width:720px){.shell{grid-template-columns:1fr}.nav{border-right:0;border-bottom:1px solid var(--line);flex-direction:row;flex-wrap:wrap}}